Home / 2,103,071.78-3,154,607.66-505,634.92

Finding the Fourth Proportional to 2,103,071.78, 3,154,607.66 and 505,634.92

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Solution

The fourth proportional to 2,103,071.78, 3,154,607.66 and 505,634.92 is: 758,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,071.78 : 3,154,607.66 = 505,634.92 : x
  2. Step 2: Convert to fraction form
    2,103,071.78/3,154,607.66 = 505,634.92/x
  3. Step 3: Cross multiply
    2,103,071.78x = 3,154,607.66 × 505,634.92
  4. Step 4: Simplify right side
    2,103,071.78x = 1,595,079,791,795.49
  5. Step 5: Solve for x
    x = 1,595,079,791,795.49/2,103,071.78
  6. Step 6: Final answer
    x = 758,452.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.